<?php
class Mincoding_VendorConnect_Block_Adminhtml_Vendor_Renderer_Createdtime extends Mage_Adminhtml_Block_Widget_Grid_Column_Renderer_Abstract
{
    public function render(Varien_Object $row)
    {
        $value =  $row->getData($this->getColumn()->getIndex());
        $date_format = Mage::app()->getLocale()->getDateFormat(Mage_Core_Model_Locale::FORMAT_TYPE_SHORT);
        return Mage::app()->getLocale()->date($value, null, null, false)->toString($date_format);
    }
}
?>